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All results from a given calculation for ClCOClCO (Oxalyl chloride)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-1141.398591
Energy at 298.15K-1141.399140
HF Energy-1141.398591
Nuclear repulsion energy324.848794
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1786 1713 0.00      
2 Ag 988 948 0.00      
3 Ag 611 587 0.00      
4 Ag 419 402 0.00      
5 Ag 297 285 0.00      
6 Au 426 409 14.54      
7 Au 63 61 0.30      
8 Bg 771 740 0.00      
9 Bu 1813 1739 308.50      
10 Bu 746 716 474.26      
11 Bu 480 461 10.81      
12 Bu 213 204 6.97      

Unscaled Zero Point Vibrational Energy (zpe) 4306.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4131.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/3-21G*
ABC
0.15950 0.05049 0.03835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.177 0.750 0.000
C2 0.177 -0.750 0.000
O3 -1.296 1.197 0.000
O4 1.296 -1.197 0.000
Cl5 1.296 1.725 0.000
Cl6 -1.296 -1.725 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54191.20512.44171.76652.7171
C21.54192.44171.20512.71711.7665
O31.20512.44173.52852.64572.9222
O42.44171.20513.52852.92222.6457
Cl51.76652.71712.64572.92224.3161
Cl62.71711.76652.92222.64574.3161

picture of Oxalyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 125.007 C1 C2 Cl6 110.236
C2 C1 O3 125.007 C2 C1 Cl5 110.236
O3 C1 Cl5 124.757 O4 C2 Cl6 124.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.261      
2 C 0.261      
3 O -0.350      
4 O -0.350      
5 Cl 0.089      
6 Cl 0.089      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.507 3.277 0.000
y 3.277 -48.861 0.000
z 0.000 0.000 -44.709
Traceless
 xyz
x -2.723 3.277 0.000
y 3.277 -1.753 0.000
z 0.000 0.000 4.475
Polar
3z2-r28.951
x2-y2-0.647
xy3.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.886 2.314 0.000
y 2.314 7.201 0.000
z 0.000 0.000 2.741


<r2> (average value of r2) Å2
<r2> 245.063
(<r2>)1/2 15.654